Negro Mountain in Garrett CountyGet Directions Details Details tbd Hours See website for hours. Location5386 National PikeGrantsville, MD21536Get DirectionsContactMapWestern MarylandPlaces NearbyAttractions, Accommodations, & DiningCasselman InnLearn MoreAttractions, Accommodations, & DiningWoodland Rill RentalLearn MoreSee More For Western Maryland